CSF DUAL-PASS RACE-SPEC DCT TRANSMISSION COOLER - F8X M3, M4

World’s 1st and only true “plug-and-play” upgraded DCT transmission cooler for the BMW S55 engine - Made with CSF’s AC condenser technology using a 1-row super-high pressure 26mm multi-channel microtube.- Dual-pass high performance core with 10 cooling tubes vs. OEM single-pass with return pipe 6 tube design.- High-density multi-louvered fin design.- “Drop-in fit” requiring no modifications to install. Accepts all attaching OEM components including oil-line connections, mounting brackets, and shroud/ducting.- Lab tested at ~30% more efficient than the OEM cooler.- World’s 1st and only true “plug-and-play” upgraded DCT transmission cooler for the BMW S55 engine   FITMENT - F82 / F83 M4 - F80 M3